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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 17 March 2021, Shift 1, Chemistry Q45

Question 45 of 90 in this shift, Chemistry question 15 of 30, Section A.

Mesityl oxide is a common name of :
  1. (1)4-Methyl pent-3-en-2-oneOfficial answer
  2. (2)2,4-Dimethyl pentan-3-one
  3. (3)2-Methyl cyclohexanone
  4. (4)3-Methyl cyclohexane carbaldehyde

Official answer

Option 1

NTA final key.

Chapter
Aldehydes, Ketones and Carboxylic Acids
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.